minizip: reduce scope of applied patch (#21909)

var/spack/repos/builtin/packages/minizip/package.py

@@ -24,10 +24,11 @@ class Minizip(AutotoolsPackage):
 
     # error: implicit declaration of function 'mkdir' is invalid in C99
     patch('implicit.patch', when='%apple-clang@12:')
+    patch('implicit.patch', when='%gcc@7.3.0:')
 
     # statically link to libz.a
     # https://github.com/Homebrew/homebrew-core/blob/master/Formula/minizip.rb
-    patch('static.patch')
+    patch('static.patch', when='%apple-clang@12:')
 
     # build minizip and miniunz
     @run_before('autoreconf')